Home / 27,109.92-37,412.36-15,173.16

Finding the Fourth Proportional to 27,109.92, 37,412.36 and 15,173.16

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Solution

The fourth proportional to 27,109.92, 37,412.36 and 15,173.16 is: 20,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,109.92 : 37,412.36 = 15,173.16 : x
  2. Step 2: Convert to fraction form
    27,109.92/37,412.36 = 15,173.16/x
  3. Step 3: Cross multiply
    27,109.92x = 37,412.36 × 15,173.16
  4. Step 4: Simplify right side
    27,109.92x = 567,663,724.26
  5. Step 5: Solve for x
    x = 567,663,724.26/27,109.92
  6. Step 6: Final answer
    x = 20,939.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.